Process for the preparation of 1,4-butynediol and related cataly

Details Process for the preparation of 1,4-butynediol and related cataly Process for the preparation of 1,4-butynediol and related cataly

1979-10-17

1981-09-08

Evans, Joseph E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

252454, C07C 33046

Patent

active

042886414

ABSTRACT:
The process for the preparation of 1,4-butynediol through the reaction of acetylene with formaldehyde in the presence of a catalytic metal, preferably copper, is improved by using, as the support of the catalytic metal, a molecular sieve or synthetic zeolite to which the catalytic metal is chemically bonded through an ion exchange reaction.
There are obtained increased production rates and selectivity and the polymer of acetylene, namely cuprene, is essentially prevented from being formed.

REFERENCES:
patent: 3352924 (1967-11-01), Gladrow et al.
Reppe et al., "Alien Property Custodian", Ser. No. 327,820, published Apr. 20, 1943.

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